Consensus diffs are generated even if DirCache and DirPort are 0
I'm running tor master 257f50b22 with DirCache 0 and DirPort 0.
Every hour or so, it uses all the CPUs on my machine to create consensus diffs.
This is a waste of CPU and disk space.
To upload designs, you'll need to enable LFS and have an admin enable hashed storage. More information